bbatsov/rubocop — pull request #1444 by Koronen (2014-11-11 20:51:45+00:00)
Title: New cop Style/ElseNil

Checks for explicit `nil` in otherwise empty else-clauses. This is redundant, as `nil` is returned by default if no other clause matches.

I've come across this a couple of time now during code review, and though it might be nice to have a cop check for this.